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Axial skeleton shark

neural spine dorsal projection that terminates the caudal vertebrae
neural arch arch that extends dorsally from the centrum to cradle the spinal column in the caudal vertebrae. it also exists in the trunk vertebrae but does not terminate in a neural spine.
centrum major point of articulation between the body of the vertebrae
neural canal the canal in the vertebrae through which the spinal cord runs
Interneural (intercalary) plate Dorsal intercalary plates form a continuous roof over the spinal cord and the ventral intercalary plates occur between basapophyses which articulate with the ribs
hemal arch extends ventrally from the centrum
hemal spine terminates the hemal arch under the centrum
notochord exists as a thin central strand in the centrum and gelatinous masses between adjacent vertebrae due to the constriction by vertebral cartilages during develpment
Created by: jebeard